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Smart glass, also known as switchable glass, dynamic glass, and smart-tinting glass, is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals. This can be used to prevent sunlight and heat from entering a building during hot days, improving energy efficiency. [1]
In a heating-dominated climate, the second type of low-e coating is more appropriate. This is Passive Low-E, where the goal is to retain heat inside the building. These coatings do not block as much of the short-wave infrared light from the sun, but do block any long-wave infrared light coming from the inside, functioning as somewhat of a ...
Polyamide insulation profiles with 25% glass fibre content are the best commercially available choice for optimum heat insulation and mechanical properties. Wood frame windows provide better insulation, but they are a poor choice for durability or maintenance (unless you choose wood-clad windows).
Spectrally selective films act by blocking certain wavelengths of the sun's infrared radiation and reject heat without reducing natural light. Security films are applied to glass so when the glass is broken it holds together, preventing dangerous shards from flying about, or making it more difficult for an intruder to gain entry.
One university study shows that this heated glass technology is more efficient than other electric heating and can be more efficient than natural gas heating. [5] Some environmentalists dispute the idea that this is an efficient heating system because even high e-value windows are poor insulators compared to insulated walls, and they believe ...
This allows glass to block mainly short-wave infrared radiation without greatly reducing visible transmittance. [3] In climate-responsive design for cold and mixed climates, windows are typically sized and positioned in order to provide solar heat gains during the heating season. To that end, glazing with a relatively high solar heat gain ...
Solar irradiance heating of intermediate glass panes increases substantially with an increased number of glass panes. [ 1 ] [ 9 ] Multipane glazing must be carefully designed to account for the expansion of the insulating gases that are placed between the glass layers, because such gaseous expansion becomes an increasingly important ...
Insulating glass (IG) consists of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass is commonly known as double glazing or a double-paned window , triple glazing or a triple-paned window, or quadruple glazing or a quadruple-paned window, depending ...